<?xml version="1.0" encoding="UTF-8" ?>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Insert title here</title>
</head>
<body>
<%
String[] unames = request.getParameterValues("uname");
%>
${param.num+3}
用户名：${param.uname}
第二个用户名：${paramValues.uname[1]}

${param.num le 10}
${param.num1 ne "" && param.num1!=null}
${not empty num1}
相除：${param.num div 2 }
求余：${param.num mod 2}<br/>

${param.num eq 5 ? "相等" : "不相等" }

</body>
</html>